Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
PREMARC/SERLOC merged record
Vol. 1-5: Foundations of the Nation; Vol. 6-10: Transformation into a nation; Vol. 11-15: Development of the nation; Vol. 16-21: Trial of nationality; Vol. 22-27: National expansion; Vol. 28: Index to the series.